Since becoming legal in 2018, medical cannabis has been an option for some UK...

https://star-wiki.win/index.php/How_do_UK_patients_actually_get_prescribed_medical_cannabis_for_sleep%3F

Since becoming legal in 2018, medical cannabis has been an option for some UK patients, though it remains a specialist-led, non-first-line treatment. Because every body is different, patient experiences vary significantly